US20100152039A1 - Process of manufacturing oil adsorption foaming sheet using peatmoss - Google Patents
Process of manufacturing oil adsorption foaming sheet using peatmoss Download PDFInfo
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- US20100152039A1 US20100152039A1 US12/593,658 US59365808A US2010152039A1 US 20100152039 A1 US20100152039 A1 US 20100152039A1 US 59365808 A US59365808 A US 59365808A US 2010152039 A1 US2010152039 A1 US 2010152039A1
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- Prior art keywords
- foaming
- oil
- peat moss
- adsorption
- sheet
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- 238000005187 foaming Methods 0.000 title claims abstract description 66
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 15
- 239000003415 peat Substances 0.000 claims abstract description 50
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 239000004094 surface-active agent Substances 0.000 claims abstract description 17
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 claims abstract description 13
- 239000000787 lecithin Substances 0.000 claims abstract description 13
- 229940067606 lecithin Drugs 0.000 claims abstract description 13
- 235000010445 lecithin Nutrition 0.000 claims abstract description 13
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims abstract description 9
- 239000006185 dispersion Substances 0.000 claims abstract description 5
- 239000003054 catalyst Substances 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000004088 foaming agent Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 229920002635 polyurethane Polymers 0.000 claims description 20
- 239000004814 polyurethane Substances 0.000 claims description 20
- 239000004568 cement Substances 0.000 claims description 6
- 239000002689 soil Substances 0.000 abstract description 28
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 22
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 21
- 229930195733 hydrocarbon Natural products 0.000 abstract description 21
- 239000003921 oil Substances 0.000 description 87
- 239000003463 adsorbent Substances 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 229920001451 polypropylene glycol Polymers 0.000 description 8
- 238000006065 biodegradation reaction Methods 0.000 description 7
- -1 polyethylene Polymers 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 235000013311 vegetables Nutrition 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 241000209504 Poaceae Species 0.000 description 2
- 241001536628 Poales Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 235000012255 calcium oxide Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000005445 natural material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 241001290610 Abildgaardia Species 0.000 description 1
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000047703 Nonion Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000007321 biological mechanism Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- KVFVBPYVNUCWJX-UHFFFAOYSA-M ethyl(trimethyl)azanium;hydroxide Chemical compound [OH-].CC[N+](C)(C)C KVFVBPYVNUCWJX-UHFFFAOYSA-M 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 201000010260 leiomyoma Diseases 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 238000009377 nuclear transmutation Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- WTJKGGKOPKCXLL-RRHRGVEJSA-N phosphatidylcholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCCC=CCCCCCCCC WTJKGGKOPKCXLL-RRHRGVEJSA-N 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
Abstract
Provided is a process of manufacturing an oil adsorption foaming sheet for preventing or recovering pollution of ocean or soil by oil or hydrocarbon. The oil adsorption foaming sheet is manufactured by mixing polyurethane prepolymer with refined peat moss, lecithin as a dispersion and surfactant agent, N-methylmorpline as a foaming agent, and triethylenamin as a catalyst, to thereby form a foaming composite, foaming the foaming composite, to thereby obtain a soft continuous air bubble foaming body, slicing the foaming body, and drying the sliced foaming body into a moisture content of 2 wt % or below.
Description
- The present invention relates to a process of manufacturing an oil adsorption foaming sheet for preventing pollution of the ocean or soil by oil or hydrocarbon, or recovering the ocean or soil polluted by oil or hydrocarbon, and more particularly to a process of manufacturing an oil adsorption foaming sheet using peat moss for preventing pollution of the ocean or soil by oil or hydrocarbon, or recovering the ocean or soil polluted by oil or hydrocarbon, in which a foaming composite consisting of soft polyurethane prepolymer mixed with peat moss from which stone, gravel, wooden pieces, and grass are removed and refined into a moisture-containing state and lecithin, is foamed to thereby obtain a block-shaped polyurethane foaming body, the block-shaped polyurethane foaming body is sliced into sheets, and the sliced sheets is dried into a moisture content of 2 wt % or below.
- As crude oil demand increases rapidly by fast progress of industry at recent years, oil exploration is lively performed, and crude oil transportation increases rapidly. Accordingly, an accident at sea by an oil outward flow would frequently occur. As a result, fishes may fall dead and birds are fatally damaged. In addition, habitat of birds may decrease. Further, the soil and ocean may be polluted by exploration and drilling. The soil and ocean are gradually severely polluted by a malicious outward flow of industrial waste as well as an accident of leakage and rupture of oil pipage or storage tanks.
- A number of oil adsorbents and oil adsorption methods have been developed for such problem solution. There are hundreds of oil adsorbents which are currently used. The oil adsorbents are classified into ones for preventing oil pollution of the ocean or recovering the soil polluted by oil, according to use. According, to ingredients of oil adsorbents, the oil adsorbents are classified into an inorganic adsorbent of porous mine such as zeolite, illite, and perlite, and clayey bentonite having a large swelling property, a natural oil adsorbent of a vegetable property having a good porous adsorption capability such as shell of pine trees, the contents of African millet and corn, waste pulp, trunk of sedge, sawdust, and the chaff, and an adsorbent of a polymeric material such as particles, fibers, and non-woven cloths, which are made of polyethylene, polyprophylene, or polystyrene, a surface active agent and a surface active agent composite, and the above-described oil adsorbents, alone or in combination thereof. Besides, there is an oil adsorbent for recovering the soil in which an oil decomposition microbial medicine prepared from microbes is combined with the oil adsorbent, to thus enable biodegradation of the soil biologically.
- In particular, the oil adsorbents for preventing ocean pollution among the above-described adsorbents are formed by adsorbing or infiltrate a surface active agent or surface active agent composite into an inorganic adsorbent or vegetable property adsorbent mainly, to then be spread in an oil pollution area of the sea to adsorb the contaminated oil. However, the particles of the oil adsorbent are sunk on the underwater ground floor at the state where the oil adsorbent adsorbs and emulsifies oil, to thus cause a secondary pollution on the ground floor. As being the case, part of the adsorbed oil is leached by water pressure and floated on the sea. In addition, a hydrocarbon adsorbent made of a composition polymer such as polyethylene and polypropylene has a good adsorptive power, but it takes long to adsorb the polluted oil. The hydrocarbon that is adsorbed by an outer surface tension is not adsorbed perfectly, but part of oil bubbles is leached.
- In addition, a method of purifying underground water that has been polluted by organic matters by use of organic clay is introduced in the Korean patent publication No. 10-2006-0068163. In the Korean patent publication No. 10-2006-0068163, an adsorbent which adsorbs organic pollution materials which are made by adsorbing a surface active agent to a clay mineral, is put into the polluted underground water, to thus adsorb the organic pollution materials. Then, the organic pollution materials are separated from the underground water. Accordingly, the underground water that has been polluted by organic matters is purified by use of organic clay.
- In the case of the above-described method of purifying underground water that has been polluted by organic matters by use of organic clay, it is extremely difficult to separate and remove the oil adsorbent of the powder or particle state into which oil has been adsorbed from the underground water. In addition, it is possible to perform an oil adsorption work in a small-scale limited area, but it is not possible to perform an oil adsorption work for a bulky ocean pollution.
- Besides, a method of manufacturing an oil adsorbent using peat moss whose oil adsorption is superexcellent and an oil adsorption method using the oil adsorbent, are introduced recently.
- As as example, a biological biodegradation adsorbent for removing oil and the other hydrocarbon compound and a method of manufacturing the same is introduced in the Korean patent registration No. 10-0455754. In the Korean patent registration No. 10-0455754, the biological biodegradation adsorbent and the method of manufacturing the same are used for soil recovery of the soil which has been polluted by oil or hydrocarbon, in which a surface active agent is added to peat moss, and the surface active agent added peat moss is dried to have a moisture content of 7-8 wt %, and then a microbial medicine prepared from microbes is inoculated into and fixed to a matrix (medium: elvan powder). That is, the matrix is added to the biological biodegradation adsorbent.
- The biological biodegradation adsorbent is used for recovery of the soil which has been polluted by hydrocarbon including oil, but it is difficult to use it in the vast sea. Although the biological biodegradation adsorbent may used for preventing ocean pollution, the biological biodegradation by microbes is ineffective or meaningless. In addition, the particles which is formed by adding a surface active agent to peat moss or elvan powder has an oil adsorption function. However, the above-described particles or elvan powder may sink on the bottom of the sea after oil adsorption, which may cause a secondary pollution on the ground floor.
- Besides, a method of manufacturing an adsorption filter which uses peat moss as a main material is introduced in the Korean patent publication No. 1997-0061320. In the adsorption filter manufacturing method, peat moss is put into a kiln and maintained at 300° C., to thus reduce a moisture content to be simultaneously carbonated into about 50% or so. Accordingly, the property of the peat moss is formed into a porous capillary tube fibroid material. In addition, a biological recovery method of recovering soil polluted by oil by use of peat moss is introduced in the Korean utility-model registration No. 20-0348451. In the Korean utility-model registration No. 20-0348451, a fertility index and an acidity of soil are measured, and then a nutrient, alkali (quicklime or calcium carbonate), and a peat moss adsorbent are added to the soil according to the measured result, to thus recover the soil polluted by oil into the soil from which oil is removed. Accordingly, the biological recovery method is not proper as a method of adsorbing and removing oil polluted on the sea.
- To solve the above problems, it is an object of the present invention to provide a process of manufacturing an oil adsorption foaming sheet using peat moss, in order to solve the above-described conventional problems of an oil or hydrocarbon adsorbent, in which peat moss which is a natural material whose adsorption function is excellent is dispersed in and fixed to a soft polyurethane foaming sheet which is a polymeric material, to accordingly maximize an adsorption function of oil or hydrocarbon.
- It is another object of the present invention to provide a process of manufacturing an oil adsorption foaming sheet using peat moss, which may perform prevention of ocean pollution or recovery of soil in the form of a sheet, to thereby prevent secondary pollution which may be caused by scattering or ocean floor deposition of polluted materials, unlike the conventional oil adsorbent which is formed by fixing a surface active agent to a porous natural mineral or a porous vegetable fiber.
- It is still another object of the present invention to provide a process of manufacturing an oil adsorption foaming sheet using peat moss, in which peat moss which is a natural material whose adsorption function is excellent is dispersed in and fixed to a soft polyurethane foaming sheet which is a polymeric material, and in which the soft polyurethane foaming sheet to which the peat moss has been fixed and then oil is adsorbed, is dipped into a lecithin or surface active agent solution and then dried, to accordingly re-use the soft polyurethane foaming sheet as the oil adsorption foaming sheet two or three times, and to thus provide a more economical efficiency and enhance a more competitiveness.
- To accomplish the above objects of the present invention, according to an aspect of the present invention, there is provided a process of manufacturing an oil adsorption foaming sheet, using peat moss, the oil adsorption foaming sheet manufacturing process comprising:
- mixing polyurethane prepolymer of 15-17 wt % with peat moss cement of 80-82.8 wt % which is obtained by removing foreign matters from peat moss having a moisture content of 10-50 wt % and making the peat moss pass through a 100-mesh screen, lecithin of 1-2 wt % as a dispersion and surfactant agent, N-methylmorpline of 1-1.5 wt % as a foaming agent, and triethylenamin of 0.2-0.3 wt % as a catalyst, to thereby form a foaming composite;
- foaming the foaming composite to thereby obtain a block-shaped polyurethane foaming body;
- slicing the block-shaped polyurethane foaming body to then be made into sheets of a desired thickness; and
- drying the sliced sheets into a moisture content of 2 wt % or below.
- The above and/or other objects and/or advantages of the present invention will become more apparent by the following description. Hereinbelow, a process of manufacturing an oil adsorption foaming sheet, using peat moss, according to an embodiment of the present invention, will be described in more detail.
- In more detail, the process of manufacturing an oil adsorption foaming sheet, using peat moss, includes: a first step of manufacturing polyurethane prepolymer; a second step of obtaining peat moss cement; a third step of forming a foaming composite; a fourth step of foaming the polyurethane prepolymer into a block-shaped polyurethane foaming body; a fifth step of slicing the block-shaped polyurethane foaming body into a predetermined thickness of sheets; and a sixth step of drying the sliced sheets into a moisture content of 2 wt % or below.
- In the first step of manufacturing polyurethane prepolymer, water of 0.2 pbw or so is applied to polypropyleneglycol (PPG) of 100 pbw or so and then is heated at 35 to 40° C. for 20 to 30 minutes. Then, toluene 2,4-diisocyanate (TDI) is applied to the heated polypropyleneglycol (PPG) to start an exothermic reaction, so that a mole fraction of NCO/OH becomes approximately 1.1 and a mole fraction of NCO/H2O becomes approximately 1.05. If the exothermic reaction is ended, the polypropyleneglycol (PPG) is gradually heated to heighten the temperature up to about 120° C. Then, the polypropyleneglycol (PPG) is stirred and reacted for about 2 hours at a state where the temperature is maintained at about 120° C. Then, the reaction solution is cooled at about 80° C., and then TDI of 25 pbw or so is applied to and mixed well with the reaction solution, so that a content ratio of NCO with respect to the reaction solution becomes about 9.5 wt %. Then, the reaction solution mixed with the TDI is heated up to heighten the temperature up to about 120° C., and then is maintained at about 120° C. Then, the reaction solution is reacted and cooled for 40 to 80 minutes at a state where the temperature is maintained at about 120° C., to thus obtain polyurethane prepolymer.
- In the second step of obtaining peat moss cement, foreign matters are removed from peat moss having a moisture content of 10-50 wt % and simultaneously the peat moss free from the foreign matters is grinded into small particles, to then make the peat moss pass through a 100-mesh screen, and to thus obtain the peat moss cement.
- In the third step of forming a foaming composite, polyurethane prepolymer of 15-17 wt % of the first step is mixed with peat moss cement of 80-82.8 wt % of the second step, lecithin of 1-2 wt % as a dispersion and surfactant agent, N-methylmorpline of 1-1.5 wt % as a foaming agent, and triethylenamin of 0.2-0.3 wt % as a catalyst, to thereby form a foaming composite consisting.
- In the fourth step, the foaming composite is foamed, to thereby obtain a block-shaped polyurethane foaming body.
- In the fifth step, the block-shaped polyurethane foaming body is sliced to then be made into sheets of a desired thickness.
- In the sixth step, the sliced sheets are dried into a moisture content of 2 wt % or below, to finally obtain an oil adsorption foaming sheet.
- Peat moss which is used in a process of manufacturing an oil adsorption foaming sheet is formed by decomposition and deformation of trees and shrubs such as moss, Poaceae, and Cyperales, which are accumulated deeply in the basin, swale, or marshland and biologically changed over long-range time. That is, peat moss is not formed by carbonization of trees and shrubs such as moss, Poaceae, and Cyperales, which are accumulated deeply in the basin, swale, or marshland, by the ground pressure or heat, but is formed by corrosion, decomposition, or transmutation of rosin, lignin, fiber etc., that is a main ingredient of a vegetable matter by a biological reaction. The peat moss is called moor coal or peat having a content of 45 to 60% although there will be a difference according to periods. The peat moss is chiefly mined in Russia and Canada which are cold places. The peat moss is extremely porous. Thus, if the peat moss is dried into a moisture content of 2 wt % or below, is becomes a material which can adsorb oil or hydrocarbon as much as 10 to 13 times of its own weight.
- In addition, a polyurethane foaming sheet which is used in the process of manufacturing an oil adsorption foaming sheet is foamed as a continuous air bubble non-cellular form, since peat moss containing an excessive amount of water is added in a foaming sheet composite. The density of the polyurethane foaming sheet is in the range of 0.018 to 0.024 g/cc. Since innumerable peat moss particles or parties are combined with and fixed to the texture of the foaming sheet, an oil adsorption function can be enhanced.
- Moreover, lecithin that is formed of β-hydroxi ethyltrimethyl ammonium hydroxide (phosphatidyl choline) which is phospholipid, is a cohesive semi-liquid material having a unique perfume and a light brown color, which is melted in water and has an anti-oxidation property as an emulsifying agent, a dispersion agent, a moisturization agent, a lubricant, and a penetrant. The lecithin has heteromorphic and blending properties and also has a function of a surface active agent. The lecithin can be used as foods of animals or nutritive substances of bacillus badge.
- The lecithin can secure homogeneity of the polyurethane composite because of emulsification and dispersibility. In addition, since the lecithin has an excellent permeability, it can be deeply penetrated into the polyurethane foaming texture and the peat moss particles. Accordingly, the lecithin enables the polyurethane composite to have a pro-emulsification and a uniform distribution and size of cells.
- Any one of a small-scale batch system which is a small-amount production method or a continuous foaming method which is a mass production method may be selectively used as the foaming method. A one-shot method or prepolymer method may be used in the foaming process. In the case of the prepolymer method, a storage stability of prepolymer may be bad, and a more process should be added in order to manufacture prepolymer. However, the present invention employs the prepolymer method in order to secure homogeneity of foaming products and make less occurrence of defective goods. Among a buret divergence style, an alophanate divergence style, and a urethane divergence extension style of the prepolymer method, the present invention adopts the urethane divergence extension style of the prepolymer method.
- In addition, an amount of refined cement-phase peat moss that is added to polymer is of a maximum ratio of addition, in order to maximize an oil adsorption. Thus, if an amount of refined cement-phase peat moss is added to polymer in excess of a maximum ratio of addition, a tensile strength of an adsorption sheet is apt to drop and thus the adsorption sheet may be broken. Further, in the case of an excess of a maximum ratio of addition of peat moss, workability on site may fall. Further, since a force of fixing and supporting peat moss particles is weakened, peat moss particles may be easily seceded from texture of the soft polyurethane foaming sheet.
- The above-described oil adsorption sheet is used mainly as usage of adsorbing oil or hydrocarbon which is polluted in and floated on seas, lakes, rivers, brooks, etc. A roll of continuous foaming sheet or a number of individual foaming sheets are dispersed and installed on a place such as the seas or waters where oil or hydrocarbon is polluted and floated, in order to adsorb the oil or hydrocarbon. If the adsorbed sheets are collected and then are launched into oil and water simultaneously in a large vessel, oil and water are detached up and down. The adsorption sheets to which oil has been already adsorbed may be re-used on site as being the case. However, if the adsorption sheets are dried, and then dipped into a lecithin solution or a non-ion surface active agent solution to then be launched into water and dried, the adsorption sheets may be re-used two or three times.
- If adsorption sheets are buried shallowly or pressed and fixed to a sea water surface layer, in the case of sea which is polluted by oil or hydrocarbon, the polluted oil or hydrocarbon is adsorbed and thus the adsorbed sheets are collected and may be recycled.
- Besides, in the case of soil which is polluted by oil or hydrocarbon, concentration of oil having polluted soil, a fertility index (nutrition) of soil, and an acid degree of soil, are measured. Calcium oxide, badge composite etc., are selectively attached on the oil adsorption foaming sheets according to the present invention based on the measured result. Soil is digged from a polluted place and then the soil and oil adsorption foaming sheets are deposited in several layers in a sheet and then soil sequence. Accordingly, soil which has been polluted by oil or hydrocarbon can be recovered by a biological mechanism.
- As described above, the present invention provides an oil adsorption foaming sheet using peat moss having an excellent oil adsorption function can adsorb oil or hydrocarbon as much as 10 to 13 times of its own weight, to thereby make it easy to perform an oil pollution preventive work. A secondary pollution which may be caused by scattering or ocean floor deposition of polluted materials, does not occur unlike the conventional oil adsorbent which is formed by fixing a surface active agent to a porous natural mineral or a porous vegetable fiber. In particular, oil or hydrocarbon which pollutes ocean or soil may be adsorbed and recycled, and also oil adsorption foaming sheets may be re-used two or three times, after recycling, to thus provide a more economical efficiency and enhance a more competitiveness.
Claims (1)
1. A process of manufacturing an oil adsorption foaming sheet, the oil adsorption foaming sheet manufacturing process comprising:
mixing polyurethane prepolymer of 15-17 wt % with peat moss cement of 80-82.8 wt % which is obtained by removing foreign matters from peat moss having a moisture content of 10-50 wt % and making the peat moss pass through a 100-mesh screen, lecithin of 1-2 wt % as a dispersion and surfactant agent, N-methylmorpline of 1-1.5 wt % as a foaming agent, and triethylenamin of 0.2-0.3 wt % as a catalyst, to thereby form a foaming composite;
foaming the foaming composite to thereby obtain a block-shaped polyurethane foaming body;
slicing the block-shaped polyurethane foaming body to then be made into sheets of a desired thickness; and
drying the sliced sheets into a moisture content of 2 wt % or below.
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KR10-2007-0035659 | 2007-04-11 | ||
KR1020070035659A KR100773820B1 (en) | 2007-04-11 | 2007-04-11 | The method of preparing foaming sheet capbie of absorbing oil using peat moss |
PCT/KR2008/002002 WO2008127010A1 (en) | 2007-04-11 | 2008-04-10 | Process of manufacturing oil adsorption foaming sheet using peat moss |
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US20100152039A1 true US20100152039A1 (en) | 2010-06-17 |
US8153550B2 US8153550B2 (en) | 2012-04-10 |
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US (1) | US8153550B2 (en) |
KR (1) | KR100773820B1 (en) |
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KR101221294B1 (en) | 2010-11-17 | 2013-01-10 | 한국수자원공사 | The peatmoss absorbent |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181802A (en) * | 1988-10-27 | 1993-01-26 | Norvald Thengs | Oil collector |
US6541569B1 (en) * | 1997-01-10 | 2003-04-01 | Abtech Industries, Inc. | Polymer alloys, morphology and materials for environmental remediation |
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KR970061320A (en) * | 1997-06-19 | 1997-09-12 | 송재황 | Method for preparing adsorption filter based on peat |
KR100455754B1 (en) * | 2001-09-17 | 2004-11-12 | 주식회사 내쇼널아그로 | Biological-biodegrading adsorbent for removing hydrocarbon compounds such as oil and method for manufacturing thereof |
KR20060068163A (en) * | 2004-12-16 | 2006-06-21 | 한국수자원공사 | Purification method from oil pollution using organoclay and the organoclay and its method of preparation |
-
2007
- 2007-04-11 KR KR1020070035659A patent/KR100773820B1/en not_active IP Right Cessation
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- 2008-04-10 US US12/593,658 patent/US8153550B2/en not_active Expired - Fee Related
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181802A (en) * | 1988-10-27 | 1993-01-26 | Norvald Thengs | Oil collector |
US6541569B1 (en) * | 1997-01-10 | 2003-04-01 | Abtech Industries, Inc. | Polymer alloys, morphology and materials for environmental remediation |
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WO2008127010A1 (en) | 2008-10-23 |
KR100773820B1 (en) | 2007-11-06 |
US8153550B2 (en) | 2012-04-10 |
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